[zaptel-commits] mogorman: branch mogorman/zaptel-1.2-transcoder
r1840 - in /team/mogorman/zap...
zaptel-commits at lists.digium.com
zaptel-commits at lists.digium.com
Wed Jan 17 15:05:22 MST 2007
Author: mogorman
Date: Wed Jan 17 16:05:21 2007
New Revision: 1840
URL: http://svn.digium.com/view/zaptel?view=rev&rev=1840
Log:
This adds support for better firmware loading same as trunk.
Added:
team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/
team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/Kbuild (with props)
team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/Makefile (with props)
team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/base.c
- copied, changed from r1839, team/mogorman/zaptel-1.2-transcoder/ztcodec_dte.c
team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/codec_test.c (with props)
team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/dte_firm.bin (with props)
Removed:
team/mogorman/zaptel-1.2-transcoder/dte_firm.h
team/mogorman/zaptel-1.2-transcoder/ztcodec_dte.c
Modified:
team/mogorman/zaptel-1.2-transcoder/Makefile
team/mogorman/zaptel-1.2-transcoder/zaptel.h
team/mogorman/zaptel-1.2-transcoder/zttranscode.c
Modified: team/mogorman/zaptel-1.2-transcoder/Makefile
URL: http://svn.digium.com/view/zaptel/team/mogorman/zaptel-1.2-transcoder/Makefile?view=diff&rev=1840&r1=1839&r2=1840
==============================================================================
--- team/mogorman/zaptel-1.2-transcoder/Makefile (original)
+++ team/mogorman/zaptel-1.2-transcoder/Makefile Wed Jan 17 16:05:21 2007
@@ -105,7 +105,7 @@
MODULES:=zaptel tor2 torisa wcusb wcfxo wctdm wctdm24xxp \
ztdynamic ztd-eth wct1xxp wcte11xp pciradio \
- ztd-loc zttranscode ztcodec_dte # ztdummy
+ ztd-loc zttranscode # ztdummy
#MODULES+=wcfxsusb
# build ztdummy by default for 2.6 kernels
ifeq ($(BUILDVER),linux26)
@@ -118,8 +118,8 @@
MOD_DESTDIR:=zaptel
obj-m:=$(MODULESO)
-obj-m+=wct4xxp/
-MODULES+=wct4xxp
+obj-m+=wct4xxp ztcodec_dte/
+MODULES+=wct4xxp ztcodec_dte
# Also build xpp in the subdirectory xpp/ . But only for >=2.6.10 and only
# for i386. On other archs the module will probably build but panic.
@@ -153,6 +153,10 @@
wct4xxp/wct4xxp.o:
$(MAKE) -C wct4xxp KFLAGS="$(KFLAGS) -I.." CFLAGS="$(CFLAGS) -I.."
+
+ztcodec_dte/ztcodec_dte.o:
+ $(MAKE) -C ztcodec_dte KFLAGS="$(KFLAGS) -I.." CFLAGS="$(CFLAGS) -I.."
+
devel: tor2ee
@@ -332,6 +336,10 @@
for x in $(MODULESO) wct4xxp/wct4xxp.o; do \
install -D -m 644 $$x $(INSTALL_PREFIX)/lib/modules/$(KVERS)/misc/$$x ; \
done;
+ for x in $(MODULESO) ztcodec_dte/ztcodec_dte.o; do \
+ install -D -m 644 $$x $(INSTALL_PREFIX)/lib/modules/$(KVERS)/misc/$$x ; \
+ done;
+
endif
if ! [ -f wcfxsusb.o ]; then \
rm -f $(INSTALL_PREFIX)/lib/modules/$(KVERS)/misc/wcfxsusb.o; \
@@ -363,9 +371,11 @@
ifeq ($(HOTPLUG_FIRMWARE),yes)
if [ -d $(INSTALL_PREFIX)/usr/lib/hotplug/firmware ]; then \
install -m 644 wct4xxp/*.ima $(INSTALL_PREFIX)/usr/lib/hotplug/firmware; \
+ install -m 644 ztcodec_dte/*.bin $(INSTALL_PREFIX)/usr/lib/hotplug/firmware; \
fi
if [ -d $(INSTALL_PREFIX)/lib/firmware ]; then \
install -m 644 wct4xxp/*.ima $(INSTALL_PREFIX)/lib/firmware; \
+ install -m 644 ztcodec_dte/*.bin $(INSTALL_PREFIX)/lib/firmware; \
fi
@echo "Installed firmware"
else
@@ -413,6 +423,7 @@
$(MAKE) -C $(KSRC) SUBDIRS=$(PWD) clean
else
$(MAKE) -C wct4xxp clean
+ $(MAKE) -C ztcodec_dte clean
endif
rm -rf .tmp_versions
rm -f gendigits tones.h
Modified: team/mogorman/zaptel-1.2-transcoder/zaptel.h
URL: http://svn.digium.com/view/zaptel/team/mogorman/zaptel-1.2-transcoder/zaptel.h?view=diff&rev=1840&r1=1839&r2=1840
==============================================================================
--- team/mogorman/zaptel-1.2-transcoder/zaptel.h (original)
+++ team/mogorman/zaptel-1.2-transcoder/zaptel.h Wed Jan 17 16:05:21 2007
@@ -706,8 +706,8 @@
#define ZT_TCOP_RESET 1 /* Reset the channel state / codec selection */
#define ZT_TCOP_TRANSCODE 2 /* Begin transcoding a block */
#define ZT_TCOP_GETINFO 3 /* Get information (use zt_transcode_info) */
-#define ZT_TCOP_RELEASE 4 /* Release DTE channel */
-
+#define ZT_TCOP_RELEASE 4 /* Release DTE channel */
+#define ZT_TCOP_TEST 5 /* test DTE device */
typedef struct zt_transcode_info {
unsigned int op;
unsigned int tcnum;
Added: team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/Kbuild
URL: http://svn.digium.com/view/zaptel/team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/Kbuild?view=auto&rev=1840
==============================================================================
--- team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/Kbuild (added)
+++ team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/Kbuild Wed Jan 17 16:05:21 2007
@@ -1,0 +1,15 @@
+obj-m += ztcodec_dte.o
+
+EXTRA_CFLAGS := -I$(src)/.. -Wno-undef
+
+ztcodec_dte-objs := base.o
+
+ifneq ($(HOTPLUG_FIRMWARE),yes)
+ztcodec_dte-objs += firmware_dte.o
+endif
+
+$(obj)/base.o: $(src)/../zaptel.h
+
+$(obj)/firmware_dte.o: $(src)/dte_firm.bin $(obj)/base.o
+ @echo Making firmware object file for $(notdir $<)
+ @cd $(src) && ../build_tools/make_firmware_object $(notdir $<) $@ $(obj)/base.o
Propchange: team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/Kbuild
------------------------------------------------------------------------------
svn:eol-style = native
Propchange: team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/Kbuild
------------------------------------------------------------------------------
svn:keywords = Author Date Id Revision
Propchange: team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/Kbuild
------------------------------------------------------------------------------
svn:mime-type = text/plain
Added: team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/Makefile
URL: http://svn.digium.com/view/zaptel/team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/Makefile?view=auto&rev=1840
==============================================================================
--- team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/Makefile (added)
+++ team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/Makefile Wed Jan 17 16:05:21 2007
@@ -1,0 +1,25 @@
+ifneq ($(KBUILD_EXTMOD),)
+
+include $(obj)/Kbuild
+
+else
+
+all: ztcodec_dte.o
+
+%.o: %.c
+ $(CC) $(KFLAGS) -o $@ -c $<
+
+base.o: ../zaptel.h
+
+
+firmware_dte.o: dte_firm.bin base.o
+ @echo Making firmware object file for $<
+ ../build_tools/make_firmware_object $< $@ base.o
+
+ztcodec_dte.o: base.o firmware_dte.o
+ $(LD) -r -o $@ $^
+
+clean:
+ rm -f *.o
+
+endif
Propchange: team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/Makefile
------------------------------------------------------------------------------
svn:eol-style = native
Propchange: team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/Makefile
------------------------------------------------------------------------------
svn:keywords = Author Date Id Revision
Propchange: team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/Makefile
------------------------------------------------------------------------------
svn:mime-type = text/plain
Copied: team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/base.c (from r1839, team/mogorman/zaptel-1.2-transcoder/ztcodec_dte.c)
URL: http://svn.digium.com/view/zaptel/team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/base.c?view=diff&rev=1840&p1=team/mogorman/zaptel-1.2-transcoder/ztcodec_dte.c&r1=1839&p2=team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/base.c&r2=1840
==============================================================================
--- team/mogorman/zaptel-1.2-transcoder/ztcodec_dte.c (original)
+++ team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/base.c Wed Jan 17 16:05:21 2007
@@ -50,8 +50,14 @@
#include <linux/zaptel.h>
#endif
#include <linux/moduleparam.h>
-
-#include "dte_firm.h"
+#ifdef HOTPLUG_FIRMWARE
+#include <linux/firmware.h>
+static const char *dte_firmware = "dte_firm.bin";
+#else
+extern const unsigned char _binary_dte_firm_bin_start[];
+extern const unsigned int _binary_dte_firm_bin_size;
+#endif
+
/* #define USE_TEST_HW */
#define USE_TDM_CONFIG
@@ -569,6 +575,78 @@
return val;
}
+unsigned int test_seqno;
+unsigned int test_timestamp;
+unsigned int emc_errorcnt;
+unsigned int emc_rcvd;
+
+
+static int wcdte_send_test_packet(struct wcdte *wc)
+{
+ unsigned int inbytes = 0;
+ unsigned int timestamp_inc = 0;
+ int i = 0;
+ unsigned long flags;
+ unsigned int ipchksum;
+
+
+ inbytes = 160; /* 80; */
+ timestamp_inc = 160; /* 80; */
+
+ {
+ unsigned char fifo[300] = CMD_MSG_IP_UDP_RTP(
+ ((inbytes+40) >> 8) & 0xFF,
+ (inbytes+40) & 0xFF,
+ test_seqno & 0xFF,
+ 0x00,
+ 0x00,
+ 0x50,
+ 0x01,
+ 0x50,
+ 0x00,
+ ((inbytes+20) >> 8) & 0xFF,
+ (inbytes+20) & 0xFF,
+ 0x00,
+ 0x00,
+ 0x00,
+ ((test_seqno) >> 8) & 0xFF, // Sequence number
+ (test_seqno) & 0xFF,
+ ((test_timestamp) >> 24) & 0xFF, // JRSTEST: This needs to be checked
+ ((test_timestamp) >> 16) & 0xFF, // JRSTEST: This needs to be checked
+ ((test_timestamp) >> 8) & 0xFF, // JRSTEST: This needs to be checked
+ (test_timestamp) & 0xFF); // JRSTEST: This needs to be checked
+
+ ipchksum = 0x9869 + (fifo[14+2*1] << 8) + fifo[15+2*1] + (fifo[14+2*2] << 8) + fifo[15+2*2]; // JRSETST: remove add/mults
+ while (ipchksum >> 16)
+ ipchksum = (ipchksum & 0xFFFF) + (ipchksum >> 16);
+ ipchksum = (~ipchksum) & 0xFFFF;
+
+ fifo[24] = ipchksum >> 8;
+ fifo[25] = ipchksum & 0xFF;
+
+ test_seqno += 1;
+ test_timestamp += timestamp_inc;
+
+ for (i = 0; i < inbytes; i++)
+ fifo[i+CMD_MSG_IP_UDP_RTP_LEN]= 0xAA;
+
+ spin_lock_irqsave(&wc->reglock, flags);
+ if (((wc->cmdq_wndx + 1) % MAX_COMMANDS) == wc->cmdq_rndx)
+ printk("ERROR: cmdq is full. This is CRITICAL.\n");
+ else
+ {
+ wc->cmdq[wc->cmdq_wndx].cmdlen = CMD_MSG_IP_UDP_RTP_LEN+inbytes;
+ for (i = 0; i < CMD_MSG_IP_UDP_RTP_LEN+inbytes; i++)
+ wc->cmdq[wc->cmdq_wndx].cmd[i] = fifo[i];
+ wc->cmdq_wndx = (wc->cmdq_wndx + 1) % MAX_COMMANDS;
+ }
+ spin_unlock_irqrestore(&wc->reglock, flags);
+ }
+
+ transmit_demand(wc);
+
+ return 0;
+}
static int dte_operation(struct zt_transcoder_channel *ztc, int op)
{
@@ -579,10 +657,22 @@
unsigned char *chars;
unsigned int inbytes = 0;
unsigned int timestamp_inc = 0;
- int i = 0;
+ int i = 0, j = 0, reg = 0;
int res = 0;
unsigned int ipchksum, ndx;
switch(op) {
+ case ZT_TCOP_TEST:
+ printk("Starting EMC Loop test\n");
+ do {
+ wcdte_send_test_packet(wc);
+ if (j%50 == 0) {
+ reg = wcdte_getctl(wc, 0x00fc);
+ printk(KERN_EMERG "sent = %d, received = %d, bad = %d, reg 0xFC = %X\n", j, emc_rcvd, emc_errorcnt, reg);
+ }
+ j++;
+ mdelay(20);
+ } while (j < 15000); /* Time for test */
+ break;
case ZT_TCOP_RESET:
down(&wc->chansem);
if (ztc->chan_built == 0)
@@ -1261,8 +1351,11 @@
return;
}
-
-static int wcdte_boot_processor(struct wcdte *wc)
+#ifdef HOTPLUG_FIRMWARE
+static int wcdte_boot_processor(struct wcdte *wc, const struct firmware *firmware)
+#else
+static int wcdte_boot_processor(struct wcdte *wc)
+#endif
{
int i, j, byteloc, last_byteloc, length, delay_count;
unsigned int reg, ret;
@@ -1312,12 +1405,12 @@
byteloc = 17;
j = 0;
-
+#ifdef HOTPLUG_FIRMWARE
do
{
last_byteloc = byteloc;
- length = (wcdte_firmware[byteloc] << 8) | wcdte_firmware[byteloc+1];
+ length = (firmware->data[byteloc] << 8) |firmware->data[byteloc+1];
byteloc += 2;
down(&wc->cmdqsem);
@@ -1327,7 +1420,7 @@
{
wc->cmdq[wc->cmdq_wndx].cmdlen = length;
for (i = 0; i < length; i++)
- wc->cmdq[wc->cmdq_wndx].cmd[i] = wcdte_firmware[byteloc++];
+ wc->cmdq[wc->cmdq_wndx].cmd[i] = firmware->data[byteloc++];
wc->cmdq_wndx = (wc->cmdq_wndx + 1) % MAX_COMMANDS;
}
@@ -1341,16 +1434,45 @@
byteloc = last_byteloc;
j++;
- } while (byteloc < sizeof(wcdte_firmware)-20);
-
+ } while (byteloc < firmware->size-20);
+#else
+ do
+ {
+ last_byteloc = byteloc;
+
+ length = (_binary_dte_firm_bin_start[byteloc] << 8) | _binary_dte_firm_ima_start[byteloc+1];
+ byteloc += 2;
+
+ down(&wc->cmdqsem);
+ if ( (((wc->cmdq_wndx + 1) % MAX_COMMANDS) == wc->cmdq_rndx) && debug )
+ printk("wcdte error: cmdq is full.\n");
+ else
+ {
+ wc->cmdq[wc->cmdq_wndx].cmdlen = length;
+ for (i = 0; i < length; i++)
+ wc->cmdq[wc->cmdq_wndx].cmd[i] = _binary_dte_firm_bin_start[byteloc++];
+ wc->cmdq_wndx = (wc->cmdq_wndx + 1) % MAX_COMMANDS;
+ }
+
+ __transmit_demand(wc);
+ up(&wc->cmdqsem);
+
+ ret = wcdte_waitfor_csmencaps(wc, RCV_CSMENCAPS_ACK, 1);
+ if (ret == 1)
+ return(1);
+ else if (ret == 2) /* Retransmit if dte processor times out */
+ byteloc = last_byteloc;
+ j++;
+
+ } while (byteloc < _binary_dte_firm_bin_size-20);
+#endif
wc->timeout = 10 * HZ;
if (wcdte_waitfor_csmencaps(wc, RCV_CSMENCAPS, 1))
return(1);
/* Turn on booted LED */
wcdte_setctl(wc, 0x00A0, 0x04080000);
-
- if (debug)
+ if(debug)
printk("wcdte: Successfully booted DTE processor.\n");
return(0);
@@ -1460,7 +1582,9 @@
static int initd_ifaces=0;
unsigned char g729_numchannels, g723_numchannels, min_numchannels, dte_firmware_ver;
unsigned int complexfmts;
-
+#ifdef HOTPLUG_FIRMWARE
+ const struct firmware *firmware;
+#endif
if(initd_ifaces){
memset((void *)ifaces,0,(sizeof(struct wcdte *))*WC_MAX_IFACES);
initd_ifaces=1;
@@ -1530,10 +1654,19 @@
/* Initialize the work queue */
wc->dte_wq = create_workqueue("tc400b");
INIT_WORK(&wc->dte_work, (void (*)(void *))dte_wque_run, wc);
-
- g729_numchannels = wcdte_firmware[1];
- g723_numchannels = wcdte_firmware[2];
- dte_firmware_ver = wcdte_firmware[0];
+#ifdef HOTPLUG_FIRMWARE
+ if ((request_firmware(&firmware, dte_firmware, &wc->dev->dev) != 0) || !firmware) {
+ printk("TC400B: firmware %s not available from userspace\n", dte_firmware);
+ return -1;
+ }
+ dte_firmware_ver = firmware->data[0];
+ g729_numchannels = firmware->data[1];
+ g723_numchannels = firmware->data[2];
+#else
+ dte_firmware_ver = _binary_dte_firm_bin_start[0];
+ g729_numchannels = _binary_dte_firm_bin_start[1];
+ g723_numchannels = _binary_dte_firm_bin_start[2];
+#endif
if (g723_numchannels < g729_numchannels)
min_numchannels = g723_numchannels;
@@ -1542,7 +1675,7 @@
/* Setup Encoders nad Decoders */
- if (!mode)
+ if (!mode || strlen(mode) < 4)
{
sprintf(wc->complexname, "g.729a / g.723.1 5.3kbps");
complexfmts = ZT_FORMAT_G729A | ZT_FORMAT_G723_1;
@@ -1646,9 +1779,15 @@
/* Start DMA */
wcdte_start_dma(wc);
-
- if (wcdte_boot_processor(wc))
+#ifdef HOTPLUG_FIRMWARE
+ if (wcdte_boot_processor(wc,firmware))
{
+ release_firmware(firmware);
+
+#else
+ if (wcdte_boot_processor(wc))
+ {
+#endif
/* Set Reset Low */
wcdte_stop_dma(wc);
/* Free Resources */
Added: team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/codec_test.c
URL: http://svn.digium.com/view/zaptel/team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/codec_test.c?view=auto&rev=1840
==============================================================================
--- team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/codec_test.c (added)
+++ team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/codec_test.c Wed Jan 17 16:05:21 2007
@@ -1,0 +1,71 @@
+/*
+ * Wilcard TC400B Digium Transcoder Engine Interface Driver for Zapata Telephony interface test tool.
+ *
+ * Written by Matt O'Gorman <mogormandigium.com>
+ *
+ * Copyright (C) 2006, Digium, Inc.
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <netinet/in.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+#include <sys/mman.h>
+#include <zaptel/zaptel.h>
+
+struct format_map {
+ unsigned int map[32][32];
+};
+
+static int find_transcoders(void)
+{
+ struct zt_transcode_info info = { 0, };
+ struct format_map map = { { { 0 } } };
+ int fd, res;
+ unsigned int x, y;
+
+ info.op = ZT_TCOP_GETINFO;
+ if ((fd = open("/dev/zap/transcode", O_RDWR)) < 0) {
+ printf("Warning: No Zaptel transcoder support!\n");
+ return 0;
+ }
+ for (info.tcnum = 0; !(res = ioctl(fd, ZT_TRANSCODE_OP, &info)); info.tcnum++) {
+ printf("Found transcoder %d, '%s'.\n",info.tcnum, info.name);
+ x = ZT_TCOP_TEST;
+ ioctl(fd, ZT_TRANSCODE_OP, &x);
+ }
+ close(fd);
+ if (!info.tcnum)
+ printf("No hardware transcoders found.\n");
+ return 0;
+}
+
+int main()
+{
+ printf("this is a test\n");
+ find_transcoders();
+ return 0;
+}
Propchange: team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/codec_test.c
------------------------------------------------------------------------------
svn:eol-style = native
Propchange: team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/codec_test.c
------------------------------------------------------------------------------
svn:keywords = Author Date Id Revision
Propchange: team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/codec_test.c
------------------------------------------------------------------------------
svn:mime-type = text/plain
Added: team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/dte_firm.bin
URL: http://svn.digium.com/view/zaptel/team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/dte_firm.bin?view=auto&rev=1840
==============================================================================
Binary file - no diff available.
Propchange: team/mogorman/zaptel-1.2-transcoder/ztcodec_dte/dte_firm.bin
------------------------------------------------------------------------------
svn:mime-type = application/octet-stream
Modified: team/mogorman/zaptel-1.2-transcoder/zttranscode.c
URL: http://svn.digium.com/view/zaptel/team/mogorman/zaptel-1.2-transcoder/zttranscode.c?view=diff&rev=1840&r1=1839&r2=1840
==============================================================================
--- team/mogorman/zaptel-1.2-transcoder/zttranscode.c (original)
+++ team/mogorman/zaptel-1.2-transcoder/zttranscode.c Wed Jan 17 16:05:21 2007
@@ -347,6 +347,9 @@
case ZT_TCOP_RELEASE:
ret = ztc->parent->operation(ztc, ZT_TCOP_RELEASE);
break;
+ case ZT_TCOP_TEST:
+ ret = ztc->parent->operation(ztc, ZT_TCOP_TEST);
+ break;
case ZT_TCOP_TRANSCODE:
if (!ztc->parent->operation)
return -EINVAL;
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